/**
* Applies given caret/selection state to the editor. Editor text must have been set up
* previously.
*/
public static void setCaretsAndSelection(Editor editor, CaretAndSelectionState caretsState) {
CaretModel caretModel = editor.getCaretModel();
if (caretModel.supportsMultipleCarets()) {
List<CaretState> states = new ArrayList<CaretState>(caretsState.carets.size());
for (CaretInfo caret : caretsState.carets) {
states.add(
new CaretState(
caret.position == null
? null
: editor.offsetToLogicalPosition(caret.getCaretOffset(editor.getDocument())),
caret.selection == null
? null
: editor.offsetToLogicalPosition(caret.selection.getStartOffset()),
caret.selection == null
? null
: editor.offsetToLogicalPosition(caret.selection.getEndOffset())));
}
caretModel.setCaretsAndSelections(states);
} else {
assertEquals("Multiple carets are not supported by the model", 1, caretsState.carets.size());
CaretInfo caret = caretsState.carets.get(0);
if (caret.position != null) {
caretModel.moveToOffset(caret.getCaretOffset(editor.getDocument()));
}
if (caret.selection != null) {
editor
.getSelectionModel()
.setSelection(caret.selection.getStartOffset(), caret.selection.getEndOffset());
} else {
editor.getSelectionModel().removeSelection();
}
}
if (caretsState.blockSelection != null) {
editor
.getSelectionModel()
.setBlockSelection(
editor.offsetToLogicalPosition(caretsState.blockSelection.getStartOffset()),
editor.offsetToLogicalPosition(caretsState.blockSelection.getEndOffset()));
}
}
